prepare for switchover
prepare for switchover

Related git tag:
   imageon 028c8d4ff3a1cc0d4b1e58ea941d0addd3d600ab

csail-csg/connectal,cambridgehackers/connectal,csail-csg/connectal,chenm001/connectal,hanw/connectal,8l/connectal,hanw/connectal,8l/connectal,hanw/connectal,csail-csg/connectal,hanw/connectal,hanw/connectal,8l/connectal,chenm001/connectal,cambridgehackers/connectal,cambridgehackers/connectal,csail-csg/connectal,chenm001/connectal,8l/connectal,chenm001/connectal,csail-csg/connectal,cambridgehackers/connectal,chenm001/connectal,cambridgehackers/connectal,8l/connectal